/* 
  PREMIUM DESIGN SYSTEM: FOREST & CREAM
  Focus: Minimalist, tech-meets-wellness, conversion-optimized.
*/

:root {
  --forest-base: #1b4332;
  --forest-mid: #2d6a4f;
  --forest-light: #40916c;
  --off-white: #fdfcf8;
  --earth-black: #121212;
  --earth-sand: #d4a373;
  --text-muted: #6b705c;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: radial-gradient(circle at 50% -20%, rgba(27, 67, 50, 0.04) 0%, var(--off-white) 60%);
  color: var(--earth-black);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* --- Layout Utility --- */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 60px;
}

section {
  padding: 120px 0;
  position: relative;
}

/* --- Hero Section --- */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 120px;
}

.hero-content h1 {
  font-size: 96px;
  line-height: 1.0;
  margin-bottom: 32px;
  font-weight: 800;
  letter-spacing: -0.05em;
  background: linear-gradient(135deg, var(--earth-black) 30%, var(--forest-base) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 22px;
  color: var(--text-muted);
  margin-bottom: 48px;
  max-width: 600px;
  font-weight: 400;
}

.cta-group {
  display: flex;
  align-items: center;
  gap: 32px;
}

.btn-primary {
  background: var(--earth-black);
  color: var(--off-white);
  padding: 18px 44px;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 1px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
  background: var(--forest-base);
}

.btn-secondary {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.btn-secondary:hover {
  border-color: var(--forest-base);
}

/* --- Visual Assets --- */
.hero-visual {
  position: relative;
}

.hero-image {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0,0,0,0.04);
}

/* --- Video Showcase --- */
.video-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0,0,0,0.04);
  background: var(--earth-black);
  aspect-ratio: 16 / 9;
  position: relative;
}

.promo-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --- Cards --- */
.feature-card {
  background: white;
  padding: 60px;
  border-radius: 32px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.02);
  border: 1px solid rgba(0,0,0,0.03);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(27, 67, 50, 0.06);
}

/* --- Animated Reveals --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* --- Mobile --- */
@media (max-width: 968px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 60px;
  }
  .hero-content h1 { font-size: 56px; }
  .hero-content p { margin: 0 auto 40px; }
  .cta-group { justify-content: center; flex-direction: column; gap: 20px; }
}

/* --- Form Styles --- */
.signup-form {
  margin-top: 20px;
  max-width: 460px;
}

.input-group {
  display: flex;
  background: white;
  border-radius: 100px;
  padding: 6px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
  border: 1px solid rgba(27, 67, 50, 0.1);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-group:focus-within {
  border-color: var(--forest-base);
  box-shadow: 0 15px 40px rgba(27, 67, 50, 0.12);
}

.form-input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0 24px;
  font-size: 16px;
  font-family: inherit;
  color: var(--earth-black);
  outline: none;
}

.form-input::placeholder {
  color: #a0a0a0;
}

.form-submit {
  padding: 16px 32px;
  font-size: 14px;
  white-space: nowrap;
  border: none;
  cursor: pointer;
}

.form-disclaimer {
  margin-top: 16px;
  font-size: 13px;
  color: #888;
  font-weight: 500;
}